1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; ModuleID = 'bugpoint-reduced-simplified.bc'
3; RUN: opt < %s -newgvn -S | FileCheck %s
4source_filename = "bugpoint-output-e4c7d0f.bc"
5
6;  Make sure we still properly resolve phi cycles when they involve predicateinfo copies of phis.
7define void @hoge() local_unnamed_addr #0 {
8; CHECK-LABEL: @hoge(
9; CHECK-NEXT:  bb:
10; CHECK-NEXT:    br i1 undef, label [[BB6:%.*]], label [[BB1:%.*]]
11; CHECK:       bb1:
12; CHECK-NEXT:    br label [[BB6]]
13; CHECK:       bb2:
14; CHECK-NEXT:    br i1 true, label [[BB3:%.*]], label [[BB6]]
15; CHECK:       bb3:
16; CHECK-NEXT:    br label [[BB4:%.*]]
17; CHECK:       bb4:
18; CHECK-NEXT:    br i1 undef, label [[BB2:%.*]], label [[BB6]]
19; CHECK:       bb6:
20; CHECK-NEXT:    br label [[BB4]]
21;
22bb:
23  br i1 undef, label %bb6, label %bb1
24
25bb1:                                              ; preds = %bb
26  br label %bb6
27
28bb2:                                              ; preds = %bb4
29  %tmp = icmp slt i8 %tmp5, 7
30  br i1 %tmp, label %bb3, label %bb6
31
32bb3:                                              ; preds = %bb2
33  br label %bb4
34
35bb4:                                              ; preds = %bb6, %bb3
36  %tmp5 = phi i8 [ %tmp5, %bb3 ], [ %tmp7, %bb6 ]
37  br i1 undef, label %bb2, label %bb6
38
39bb6:                                              ; preds = %bb4, %bb2, %bb1, %bb
40  %tmp7 = phi i8 [ %tmp5, %bb4 ], [ %tmp5, %bb2 ], [ 5, %bb1 ], [ undef, %bb ]
41  br label %bb4
42}
43
44attributes #0 = { norecurse noreturn nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="penryn" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
45
46!llvm.ident = !{!0}
47
48!0 = !{!"clang version 6.0.0 (http://llvm.org/git/clang.git e649d902285b23af8ba58cb92a739f3bad2723df) (/Users/dannyb/sources/llvm-clean 0abfd30028cbb294ff2c2dd5e2df4ec3fdb6c591)"}
49